Leah is competing in the national diving championships. She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction. a) Determine Leah’s speed in m/s when she strikes the water. b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop. Determine the magnitude of the average force of water resistance in Newtons experienced by her body
Leah is competing in the national diving championships. She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction. a) Determine Leah’s speed in m/s when she strikes the water. b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop. Determine the magnitude of the average force of water resistance in Newtons experienced by her body
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 8P
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Leah is competing in the national diving championships. She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction.
a) Determine Leah’s speed in m/s when she strikes the water.
b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop. Determine the magnitude of the average force of water resistance in Newtons experienced by her body
b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop. Determine the magnitude of the average force of water resistance in Newtons experienced by her body
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